Moderate severityNVD Advisory· Published Feb 19, 2026· Updated Feb 20, 2026
Go Ethereum affected by DoS via malicious p2p message
CVE-2026-26313
Description
go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. Prior to version 1.17.0, an attacker can cause high memory usage by sending a specially-crafted p2p message. The issue is resolved in the v1.17.0 release.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/ethereum/go-ethereumGo | < 1.17.0 | 1.17.0 |
Affected products
1- Range: < 1.17.0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
5- github.com/advisories/GHSA-689v-6xwf-5jf3ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-26313ghsaADVISORY
- github.com/ethereum/go-ethereum/releases/tag/v1.17.0ghsax_refsource_MISCWEB
- github.com/ethereum/go-ethereum/security/advisories/GHSA-689v-6xwf-5jf3ghsax_refsource_CONFIRMWEB
- pkg.go.dev/vuln/GO-2026-4508ghsaWEB
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